| 摘要 |
The method of landing a welding gas bottle in a predetermined location on a support tray on a welding machine by providing a non-supporting area between two supporting areas and a having a hand truck which provides a welding gas bottle support which will fit between the supporting areas and allows the hand truck support to pass between the support areas of the support tray and thereby transferring the support of the welding gas bottle from the hand truck to the support tray by a pivoting of the handle of the hand truck. |
